The Incidence of Lightning Strikes to Power Lines
- 1 July 1987
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Delivery
- Vol. 2 (3), 859-870
- https://doi.org/10.1109/tpwrd.1987.4308191
Abstract
This paper addresses the lightning attractive radius concept and procedures for estimating the number of lightning flashes to power lines. Empirical data - drawn from extensive observations of lightning incidence upon various practical structures (including lines) - are related to a simple analytical model of the striking process, and a generalised expression for estimating strike incidence is presented. Comparison of the new expression with current practice, suggests that the latter may lead to underestimations of more than 50% in the height range 10 - 30 m, and additionally, that expected strike incidence to taller structures could be overestimated by 30% or more.Keywords
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